US Patent Issued to CHINA UNIVERSITY OF PETROLEUM-BEIJING on March 17 for "Coiled tubing flexible drill rod ultra-short radius radial drilling string, system and method" (Chinese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,836, issued on March 17, was assigned to CHINA UNIVERSITY OF PETROLEUM-BEIJING (Beijing City, China).

"Coiled tubing flexible drill rod ultra-short radius radial drilling string, system and method" was invented by Zhongwei Huang (Beijing City, China), Gensheng Li (Beijing City, China), Huaizhong Shi (Beijing City, China), Xiaoguang Wu (Beijing City, China), Shouceng Tian (Beijing City, China), Xianzhi Song (Beijing City, China), Haizhu Wang (Beijing City, China), Mao Sheng (Beijing City, China), Jingbin Li (Beijing City, China), Ruiyue Yang (Beijing City, China) and Xin Liu (Beijing City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coile...